1. which is the largest set of ratios in the set: 4/5 over 1/3, 7/8 over 1/4, 7/9 over 1/6, 2/3 over 1/5, 9/11 over 1/4 2.which is the largest: 1 3/4 over2/3, 2 1/2 over3/4, 2 1/8